Definition from buildingSMART: An abstract generalization for all types of
properties that can be associated with IFC objects through the property set
HISTORY: New entity in IFC Release 1.0
|| Name for this property. This label is the significant name string that defines the semantic meaning for
|| Informative text to explain the property.
|| The property on whose value that of another property depends.
|| The relating property on which the value of the property depends.
|| Reference to the IfcComplexProperty in which the IfcProperty is contained.